523222432 has 12 divisors (see below), whose sum is σ = 1030094226. Its totient is φ = 261611200.

The previous prime is 523222429. The next prime is 523222459. The reversal of 523222432 is 234222325.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 512750736 + 10471696 = 22644^2 + 3236^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 523222397 and 523222406.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8175319 + ... + 8175382.

Almost surely, 2^523222432 is an apocalyptic number.

It is an amenable number.

523222432 is a deficient number, since it is larger than the sum of its proper divisors (506871794).

523222432 is a wasteful number, since it uses less digits than its factorization.

523222432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16350711 (or 16350703 counting only the distinct ones).

The product of its digits is 5760, while the sum is 25.

The square root of 523222432 is about 22874.0558712267. The cubic root of 523222432 is about 805.8028239402.

Adding to 523222432 its reverse (234222325), we get a palindrome (757444757).

The spelling of 523222432 in words is "five hundred twenty-three million, two hundred twenty-two thousand, four hundred thirty-two".